test/std/language.support/support.dynamic/new.delete/new.delete.array/new_size_align_nothrow.sh.cpp

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 //                     The LLVM Compiler Infrastructure
   5 //
   6 // This file is dual licensed under the MIT and the University of Illinois Open
   7 // Source Licenses. See LICENSE.TXT for details.
   8 //
   9 //===----------------------------------------------------------------------===//
  10
  11 // <new>
  12
  13 // void* operator new[](std::size_t, std::align_val_t, std::nothrow_t &);
  14
  15 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
  16 // UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8
  17
  18 // REQUIRES: -faligned-allocation
  19 // RUN: %compile %verify -faligned-allocation
  20
  21 #include <new>
  22
  23 int main ()
  24 {
  25     ::operator new[](4, std::align_val_t{4}, std::nothrow);  // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
  26 }